1567488940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{8623}}^1$

素因数の和:8842

約数の個数: 48

約数和(自身を含む): 3368534400

約数和(自身を除く): 1801045460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 1220, 1490, 2980, 8623, 9089, 17246, 18178, 34492, 36356, 43115, 45445, 86230, 90890, 172460, 181780, 526003, 1052006, 1284827, 2104012, 2569654, 2630015, 5139308, 5260030, 6424135, 10520060, 12848270, 25696540, 78374447, 156748894, 313497788, 391872235, 783744470, 1567488940]

約数ペア:

[(1, 1567488940), (2, 783744470), (4, 391872235), (5, 313497788), (10, 156748894), (20, 78374447), (61, 25696540), (122, 12848270), (149, 10520060), (244, 6424135), (298, 5260030), (305, 5139308), (596, 2630015), (610, 2569654), (745, 2104012), (1220, 1284827), (1490, 1052006), (2980, 526003), (8623, 181780), (9089, 172460), (17246, 90890), (18178, 86230), (34492, 45445), (36356, 43115)]